<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<https://www.cyberport.de/hp-z840-g1x56ea-workstation-e5-2620v3-16gb-ddr4-dvd-dl-windows-7-pro-8-1-pro-1K03-25C_549.html>